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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 20 |
| 1966 | 51 |
| 1967 | 132 |
| 1968 | 117 |
| 1969 | 161 |
| 1970 | 158 |
| 1971 | 217 |
| 1972 | 273 |
| 1973 | 216 |
| 1974 | 194 |
| 1975 | 190 |
| 1976 | 192 |
| 1977 | 203 |
| 1978 | 172 |
| 1979 | 238 |
| 1980 | 207 |
| 1981 | 204 |
| 1982 | 188 |
| 1983 | 195 |
| 1984 | 244 |
| 1985 | 276 |
| 1986 | 287 |
| 1987 | 199 |
| 1988 | 210 |
| 1989 | 234 |
| 1990 | 237 |
| 1991 | 197 |
| 1992 | 226 |
| 1993 | 202 |
| 1994 | 208 |
| 1995 | 196 |
| 1996 | 178 |
| 1997 | 182 |
| 1998 | 191 |
| 1999 | 201 |
| 2000 | 212 |
| 2001 | 201 |
| 2002 | 207 |
| 2003 | 220 |
| 2004 | 228 |
| 2005 | 234 |
| 2006 | 287 |
| 2007 | 282 |
| 2008 | 274 |
| 2009 | 261 |
| 2010 | 270 |
| 2011 | 248 |
| 2012 | 309 |
| 2013 | 318 |
| 2014 | 274 |
| 2015 | 292 |
| 2016 | 252 |
| 2017 | 257 |
| 2018 | 246 |
| 2019 | 244 |
| 2020 | 202 |
| 2021 | 123 |
| 2022 | 14 |
| 2023 | 2 |
| 2024 | 17 |